Uppercasing First Letter of Words Using SED

Question

How do you replace the first letter of a word into Capital letter, e.g.

Trouble me
Gold rush brides

into

Trouble Me
Gold R         


        

Answer 1

I had apostrophes so, working off the first solution...

mike@mike-laptop3:~$ echo "BEST WESTERN PLUS BOB's INN" | tr "[A-Z]" "[a-z]" | sed -e "s/\b\(.\)/\u\1/g"

Best Western Plus Bob'S Inn

mike@mike-laptop3:~$ echo "BEST WESTERN PLUS BOB's INN" | tr "[A-Z]" "[a-z]" | sed "s/\( \|^\)\(.\)/\1\u\2/g"

Best Western Plus Bob's Inn